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v3.10.0.1

Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands | Common Stock [Member] | Additional Paid-in Capital [Member] | Retained Earnings [Member] | Treasury Stock [Member] | Total
--- | --- | --- | --- | --- | ---
Balances at Dec. 31, 2015 | $ 1,671 | $ 268,728 | $ 2,885,843 | $ (1,855,890) | $ 1,300,352
Comprehensive income: |  |  |  |  |
Net earnings |  |  | 432,090 |  | 432,090
Cash dividend declared and paid |  |  | (98,990) |  | (98,990)
Tax benefit of stock options exercised and restricted shares issued |  | 7,044 |  |  | 7,044
Purchase of treasury shares |  |  |  | (249,760) | (249,760)
Share-based compensation |  | 40,625 |  |  | 40,625
Stock option exercises and restricted share issuances, net of stock repurchased for payroll taxes |  | (23,310) |  | 6,010 | (17,300)
Balances at Dec. 31, 2016 | 1,671 | 293,087 | 3,218,943 | (2,099,640) | 1,414,061
Comprehensive income: |  |  |  |  |
Net earnings |  |  | 686,263 |  | 686,263
Cash dividend declared and paid |  |  | (101,362) |  | (101,362)
Purchase of treasury shares |  |  |  | (179,813) | (179,813)
Share-based compensation |  | 38,291 |  |  | 38,291
Restricted share issuances, net of stock repurchased for payroll taxes |  | (20,567) |  | 2,452 | (18,115)
Balances at Dec. 31, 2017 | 1,671 | 310,811 | 3,803,844 | (2,277,001) | 1,839,325
Comprehensive income: |  |  |  |  |
Net earnings |  |  | 489,585 |  | 489,585
Cash dividend declared and paid |  |  | (104,994) |  | (104,994)
Purchase of treasury shares |  |  |  | (150,338) | (150,338)
Share-based compensation |  | 47,369 |  |  | 47,369
Restricted share issuances, net of stock repurchased for payroll taxes |  | (17,723) |  | (1,840) | (19,563)
Balances at Dec. 31, 2018 | $ 1,671 | $ 340,457 | $ 4,188,435 | $ (2,429,179) | $ 2,101,384

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